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How expensive is highmemHow expensive is highmemPosted Oct 24, 2009 10:54 UTC (Sat) by nix (subscriber, #2304)In reply to: How expensive is highmem by mjg59 Parent article: Fixing kmap_atomic()
In practice it works well enough for normal userspace apps. It might not
work for things that do Linux-specific stuff like iptables, but if you're running a 64-bit userspace with some 32-bit apps that you can't get 64-bit equivalents for (like World of Goo ;) ) then it should just work.
The POSIX subset of what Linux can do absolutely does work in 32-bit
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How expensive is highmem Posted Oct 24, 2009 20:23 UTC (Sat) by dlang (✭ supporter ✭, #313) [Link]
actually, no.
one thing I ran into is trying to get the citrix client working (yes, a binary-only app), it needs various other libraries, including X libraries. these are not part of the stuff supported by the 32 bit compatibility libraries.
I don't run many 32 bit apps, but I've run across a half dozen of them that have required that I manually download and install some 32 bit versions of packages on my 64 bit machine before they work.
however, I have been able to get every one of them to work.
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